name_a = '周杰伦'
my_age = 18

def my_fun_a():
    print('我喜欢玩游戏')

def my_show(name,age,hobby):
    print(f'我叫{name},今年{age}了,喜欢{hobby}')
my_show('大锤',18,'运动')
class student:
    def __init__(self,a,b):
        self.name = a
        self.age = b
    def show(self):
        print(f'我叫{self.name},今年{self.age}了')
# a1 = student('小明',21)
# a1.show()

